On 09/14/2020 07:04 PM, Tuan Phan wrote:
Add support for probing device from ACPI node.
Each DSU ACPI node and its associated cpus are inside a cluster node.
Signed-off-by: Tuan Phan <tuanp...@os.amperecomputing.com>
---
Changes in v6:
- Fixed warning with no CONFIG_ACPI.
Changes in v5:
- Used CONFIG_ACPI to fix compiling issue.
Changes in v4:
- Addressed Will's comments.
Changes in v3:
- Based on the latest ARM ACPI binding at:
https://developer.arm.com/documentation/den0093/c/
Changes in v2:
- Removed IRQF_SHARED.
- Fixed ACPI runtime detection.
drivers/perf/arm_dsu_pmu.c | 63 +++++++++++++++++++++++++++++++++++++++++-----
1 file changed, 57 insertions(+), 6 deletions(-)
diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c
index 96ed93c..98e68ed 100644
--- a/drivers/perf/arm_dsu_pmu.c
+++ b/drivers/perf/arm_dsu_pmu.c
Reviewed-by: Suzuki K Poulose <suzuki.poul...@arm.com>
